Biological evaluation of medical devices - Part 12: Sample preparation and reference materials				                        	
				                        	
				                        	
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	                                        Biological evaluation of medical devices - Part 13: Identification and quantification of degradation products from polymeric medical devices				                        	
				                        	
				                        	
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	                                        Biological evaluation of medical devices - Part 14: Identification and quantification of degradation products from ceramics 				                        	
				                        	
				                        	
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	                                        Biological evaluation of medical devices - Part 15: Identification and quantification of degradation products from metals and alloys				                        	
				                        	
				                        	
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